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(parent: 3788566) | patch
ARM: 6998/2: kernel: use proper memory barriers for bitops
authorHeechul Yun <heechul@illinois.edu>
Tue, 19 Jul 2011 12:26:54 +0000 (13:26 +0100)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Fri, 22 Jul 2011 09:16:27 +0000 (10:16 +0100)
commit6af8f142775cd0aa706d2bf52c913f730754a437
tree6e88278817f2c77fec2c87d10177f827bf336edetree | snapshot
parent3788566b96eabf3566f24e79a32904b8aaf2406fcommit | diff
ARM: 6998/2: kernel: use proper memory barriers for bitops

Improve scalability by avoiding costly and unnecessary L2 cache sync
in handling bitops.

Signed-off-by: Heechul Yun <hyun@nvidia.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
arch/arm/include/asm/bitops.h diff | blob | history
Linux Kernel Source Tree.